Tales of the Unexpected Season 5 Episode 2 The Eavesdropper

Donald Henderson gives his wife, Moira, a unique watch, and then it goes missing, so Donald offers to replace it. As a result, Moira is in a store looking for a similar watch when she overhears a young woman telling a friend about her affair. It seems the stranger is meeting a married man - and she goes on to show her friend the beautiful watch he has given her. Unhappily, it looks just like Moira's. Moira puts two and two together and gets herself into a rage, and things soon get terribly out of hand...